Sand casting is our another casting method, and it's usually for the parts don't request tight tolerence. Here is detailed information for your reference:

Foundry Process:Resin Sand, Clay Sand, Lost Foam
Material: Gray Iron, Nodular Cast Iron, Malleable Cast Iron, Steel, Aluminium,
Surface Treatment: Hot-dip Galvanising, Galvanising, Painting, Polishing
Standard: GB, ASTM, ANSI, BS, DIN, JIS
Applicable Industry: Machinery, Pump & Valve, Automotive, Railway, Aerospace, Marine and Construction Industry.